Hi, On 2025-08-13 10:23, Marco d'Itri wrote: > Package: systemd > Version: 258~rc2-2 > Severity: critical > > Control: forwarded -1 https://github.com/systemd/systemd/issues/38563 > > Breaks unrelated software. > > /var/lock/ is not just the dumping ground for lock files of random > applications, but also the published interface for system-wide locks of > serial devices. > > From section 5.9.1 of the FHS: > > Lock files should be stored within the /var/lock directory > structure. > > Lock files for devices and other resources shared by multiple > applications, such as the serial device lock files that were > originally found in either /usr/spool/locks or /usr/spool/uucp, > must now be stored in /var/lock. The naming convention which > must be used is "LCK.." followed by the base name of the > device. For example, to lock /dev/ttyS0 the file "LCK..ttyS0" > would be created. ^[43]
Please also note that this is also the way recommended by the Linux kernel documentation: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/admin-guide/devices.rst#n221 Regards Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B [email protected] http://aurel32.net
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